Chemical and mutagenic evaluation of sludge from a large wastewater treatment plant
Journal Article
·
· Ecotoxicology and Environmental Safety; (United States)
- IIstituto Superiore di Sanita, Roma (Italy)
Digested sludges from a wastewater treatment plant were analyzed to assess their level of contamination by some organic (polychlorobiphenyls (PCBs) and chlorinated pesticides) and inorganic (heavy metals) micropollutants and their mutagenicity features. The heavy metal content in none of the samples exceeded the limits set out in EEC Directive 276/86; as far as PCBs are concerned, the sludges analyzed indicated a level of contamination up to two orders of magnitude higher than some Italian agricultural soils. Mutagenicity assays on either crude or fractionated sludge extracts using Salmonella typhimurium tester strains TA98 and TA100 gave negative results, thus suggesting the absence of genotoxic contaminants in the samples investigated.
- OSTI ID:
- 5730537
- Journal Information:
- Ecotoxicology and Environmental Safety; (United States), Journal Name: Ecotoxicology and Environmental Safety; (United States) Vol. 26:1; ISSN EESADV; ISSN 0147-6513
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
540320* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AROMATICS
BACTERIA
BIOLOGICAL MATERIALS
BIOLOGICAL WASTES
CHLORINATED AROMATIC HYDROCARBONS
CONTAMINATION
ELEMENTS
HALOGENATED AROMATIC HYDROCARBONS
HYDROGEN COMPOUNDS
LIQUID WASTES
MATERIALS
METALS
MICROORGANISMS
MUTAGENESIS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXYGEN COMPOUNDS
PESTICIDES
POLYCHLORINATED BIPHENYLS
SALMONELLA
SALMONELLA TYPHIMURIUM
SEWAGE
SEWAGE SLUDGE
SLUDGES
WASTE WATER
WASTES
WATER
WATER TREATMENT
WATER TREATMENT PLANTS
540320* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AROMATICS
BACTERIA
BIOLOGICAL MATERIALS
BIOLOGICAL WASTES
CHLORINATED AROMATIC HYDROCARBONS
CONTAMINATION
ELEMENTS
HALOGENATED AROMATIC HYDROCARBONS
HYDROGEN COMPOUNDS
LIQUID WASTES
MATERIALS
METALS
MICROORGANISMS
MUTAGENESIS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXYGEN COMPOUNDS
PESTICIDES
POLYCHLORINATED BIPHENYLS
SALMONELLA
SALMONELLA TYPHIMURIUM
SEWAGE
SEWAGE SLUDGE
SLUDGES
WASTE WATER
WASTES
WATER
WATER TREATMENT
WATER TREATMENT PLANTS